diff options
| -rw-r--r-- | sound/pci/cs5535audio/cs5535audio_olpc.c | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/sound/pci/cs5535audio/cs5535audio_olpc.c b/sound/pci/cs5535audio/cs5535audio_olpc.c index 597395e6e35..6c0c0dbeb21 100644 --- a/sound/pci/cs5535audio/cs5535audio_olpc.c +++ b/sound/pci/cs5535audio/cs5535audio_olpc.c @@ -31,8 +31,8 @@ void olpc_analog_input(struct snd_ac97 *ac97, int on) geode_gpio_clear(OLPC_GPIO_MIC_AC, GPIO_OUTPUT_VAL); } -static int snd_cs5535audio_ctl_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) +static int olpc_dc_info(struct snd_kcontrol *kctl, + struct snd_ctl_elem_info *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; uinfo->count = 1; @@ -41,35 +41,33 @@ static int snd_cs5535audio_ctl_info(struct snd_kcontrol *kcontrol, return 0; } -static int snd_cs5535audio_ctl_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) +static int olpc_dc_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *v) { - struct cs5535audio *cs5535au = snd_kcontrol_chip(kcontrol); + struct cs5535audio *cs5535au = snd_kcontrol_chip(kctl); u8 val; val = snd_ac97_read(cs5535au->ac97, AC97_AD_TEST2); val >>= AC97_AD_HPFD_SHIFT; - ucontrol->value.integer.value[0] = val & 0x1; + v->value.integer.value[0] = val & 0x1; return 0; } -static int snd_cs5535audio_ctl_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) +static int olpc_dc_put(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *v) { - struct cs5535audio *cs5535au = snd_kcontrol_chip(kcontrol); + struct cs5535audio *cs5535au = snd_kcontrol_chip(kctl); - olpc_analog_input(cs5535au->ac97, ucontrol->value.integer.value[0]); + olpc_analog_input(cs5535au->ac97, v->value.integer.value[0]); return 1; } static struct snd_kcontrol_new snd_cs5535audio_controls __devinitdata = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Analog Input Switch", - .info = snd_cs5535audio_ctl_info, - .get = snd_cs5535audio_ctl_get, - .put = snd_cs5535audio_ctl_put, + .name = "DC Mode Enable", + .info = olpc_dc_info, + .get = olpc_dc_get, + .put = olpc_dc_put, .private_value = 0 }; @@ -86,10 +84,18 @@ void __devinit olpc_prequirks(struct snd_card *card, int __devinit olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97) { + struct snd_ctl_elem_id elem; + if (!machine_is_olpc()) return 0; - /* setup callback for mixer control that does analog input mode */ + /* drop the original AD1888 HPF control */ + memset(&elem, 0, sizeof(elem)); + elem.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + strncpy(elem.name, "High Pass Filter Enable", sizeof(elem.name)); + snd_ctl_remove_id(card, &elem); + + /* add the override for OLPC's HPF */ return snd_ctl_add(card, snd_ctl_new1(&snd_cs5535audio_controls, ac97->private_data)); } |